Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Resulting from Acquisitions

The following table summarizes the gross carrying amount and accumulated amortization for intangible assets resulting from acquisitions (in thousands):

				Developed			Customer
	Trademarks			Technology			Relationships			Total
Amortization period (in years)	5			10 – 12			4 – 12

Gross carrying amount at December 31, 2018	$	600		$	8,300		$	15,039		$	23,939
Accumulated amortization		(77	)		(3,978	)		(8,904	)		(12,959	)
Intangible assets, net at December 31, 2018	$	523		$	4,322		$	6,135		$	10,980

Gross carrying amount at March 31, 2019	$	758		$	9,093		$	15,745		$	25,596
Accumulated amortization		(114	)		(4,201	)		(9,284	)		(13,599	)
Intangible assets, net at March 31, 2019	$	644		$	4,892		$	6,461		$	11,997

Amortization Expense Included in Condensed Consolidated Statements of Operations

The following table illustrates the amortization expense included in the condensed consolidated statements of operations for the three months ended March 31, 2019 and 2018, respectively (in thousands):

	Three Months Ended
	March 31,
	2019		2018
Cost of revenue	$	224	$	149
Selling and marketing		418		298
Total	$	642	$	447

Estimated Future Amortization Expense of Purchased Intangible Assets with Definite Lives

The estimated annual future amortization expense for purchased intangible assets with definite lives as of March 31, 2019 is as follows (in thousands):

2019 (remaining nine months)	$	1,926
2020		2,567
2021		1,112
2022		1,112
2023		1,035
Thereafter		4,245
Total	$	11,997

3VR, Thursby and Viscount

Summary of Carrying Amount of Goodwill Resulting from Acquisition of 3VR, Thursby, and Viscount

The following table summarizes the carrying amount of goodwill resulting from the acquisitions of 3VR, Thursby, and Viscount (in thousands):

	Premises			Identity		Total
Balance at December 31, 2018	$	5,796		$	3,490	$	9,286
Acquisition of business		1,173			—		1,173
Currency translation adjustment		(18	)		—		(18	)
Balance at March 31, 2019	$	6,951		$	3,490	$	10,441